./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:34:04,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:34:04,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:34:04,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:34:04,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:34:04,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:34:04,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:34:04,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:34:04,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:34:04,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:34:04,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:34:05,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:34:05,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:34:05,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:34:05,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:34:05,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:34:05,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:34:05,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:34:05,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:34:05,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:34:05,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:34:05,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:34:05,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:34:05,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:34:05,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:34:05,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:34:05,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:34:05,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:34:05,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:34:05,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:34:05,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:34:05,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:34:05,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:34:05,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:34:05,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:34:05,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:34:05,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:34:05,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:34:05,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:34:05,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:34:05,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:34:05,053 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:34:05,086 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:34:05,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:34:05,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:34:05,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:34:05,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:34:05,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:34:05,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:34:05,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:34:05,089 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:34:05,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:34:05,091 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:34:05,091 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:34:05,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:34:05,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:34:05,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:34:05,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:34:05,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:34:05,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:34:05,092 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:34:05,092 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:34:05,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:34:05,093 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:34:05,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:34:05,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:34:05,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:34:05,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:34:05,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:34:05,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:34:05,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:34:05,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:34:05,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:34:05,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:34:05,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:34:05,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:34:05,095 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:34:05,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:34:05,096 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:34:05,096 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:34:05,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:34:05,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:34:05,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:34:05,404 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:34:05,404 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:34:05,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2023-08-30 12:34:06,691 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:34:06,911 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:34:06,912 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2023-08-30 12:34:06,923 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/947b8182e/f39b5a5e4cf749e7b57064fdc2d12358/FLAG823c843e1 [2023-08-30 12:34:06,936 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/947b8182e/f39b5a5e4cf749e7b57064fdc2d12358 [2023-08-30 12:34:06,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:34:06,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:34:06,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:34:06,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:34:06,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:34:06,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:34:06" (1/1) ... [2023-08-30 12:34:06,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3993c2ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:06, skipping insertion in model container [2023-08-30 12:34:06,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:34:06" (1/1) ... [2023-08-30 12:34:06,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:34:07,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:34:07,293 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30440,30453] [2023-08-30 12:34:07,305 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30895,30908] [2023-08-30 12:34:07,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:34:07,325 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:34:07,375 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30440,30453] [2023-08-30 12:34:07,381 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30895,30908] [2023-08-30 12:34:07,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:34:07,424 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:34:07,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07 WrapperNode [2023-08-30 12:34:07,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:34:07,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:34:07,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:34:07,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:34:07,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07" (1/1) ... [2023-08-30 12:34:07,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07" (1/1) ... [2023-08-30 12:34:07,495 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 139 [2023-08-30 12:34:07,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:34:07,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:34:07,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:34:07,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:34:07,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07" (1/1) ... [2023-08-30 12:34:07,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07" (1/1) ... [2023-08-30 12:34:07,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07" (1/1) ... [2023-08-30 12:34:07,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07" (1/1) ... [2023-08-30 12:34:07,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07" (1/1) ... [2023-08-30 12:34:07,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07" (1/1) ... [2023-08-30 12:34:07,543 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07" (1/1) ... [2023-08-30 12:34:07,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07" (1/1) ... [2023-08-30 12:34:07,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:34:07,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:34:07,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:34:07,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:34:07,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07" (1/1) ... [2023-08-30 12:34:07,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:34:07,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:34:07,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 12:34:07,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 12:34:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:34:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 12:34:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 12:34:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 12:34:07,630 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 12:34:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:34:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:34:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:34:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:34:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:34:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 12:34:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:34:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:34:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:34:07,633 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 12:34:07,746 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:34:07,748 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:34:08,077 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:34:08,084 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:34:08,084 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:34:08,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:34:08 BoogieIcfgContainer [2023-08-30 12:34:08,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:34:08,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:34:08,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:34:08,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:34:08,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:34:06" (1/3) ... [2023-08-30 12:34:08,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329e1b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:34:08, skipping insertion in model container [2023-08-30 12:34:08,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:07" (2/3) ... [2023-08-30 12:34:08,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329e1b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:34:08, skipping insertion in model container [2023-08-30 12:34:08,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:34:08" (3/3) ... [2023-08-30 12:34:08,100 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2023-08-30 12:34:08,107 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:34:08,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:34:08,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 12:34:08,116 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:34:08,206 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:34:08,212 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 12:34:08,216 INFO L158 Benchmark]: Toolchain (without parser) took 1276.01ms. Allocated memory is still 69.2MB. Free memory was 40.9MB in the beginning and 42.9MB in the end (delta: -2.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-08-30 12:34:08,217 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 56.6MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:34:08,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.22ms. Allocated memory is still 69.2MB. Free memory was 40.7MB in the beginning and 36.5MB in the end (delta: 4.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-08-30 12:34:08,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.38ms. Allocated memory is still 69.2MB. Free memory was 36.5MB in the beginning and 34.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:34:08,218 INFO L158 Benchmark]: Boogie Preprocessor took 57.20ms. Allocated memory is still 69.2MB. Free memory was 34.0MB in the beginning and 32.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:34:08,219 INFO L158 Benchmark]: RCFGBuilder took 531.05ms. Allocated memory is still 69.2MB. Free memory was 32.4MB in the beginning and 33.8MB in the end (delta: -1.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 12:34:08,219 INFO L158 Benchmark]: TraceAbstraction took 127.34ms. Allocated memory is still 69.2MB. Free memory was 33.1MB in the beginning and 42.9MB in the end (delta: -9.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-08-30 12:34:08,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 56.6MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.22ms. Allocated memory is still 69.2MB. Free memory was 40.7MB in the beginning and 36.5MB in the end (delta: 4.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.38ms. Allocated memory is still 69.2MB. Free memory was 36.5MB in the beginning and 34.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.20ms. Allocated memory is still 69.2MB. Free memory was 34.0MB in the beginning and 32.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.05ms. Allocated memory is still 69.2MB. Free memory was 32.4MB in the beginning and 33.8MB in the end (delta: -1.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 127.34ms. Allocated memory is still 69.2MB. Free memory was 33.1MB in the beginning and 42.9MB in the end (delta: -9.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:34:08,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:34:10,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:34:10,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:34:10,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:34:10,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:34:10,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:34:10,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:34:10,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:34:10,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:34:10,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:34:10,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:34:10,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:34:10,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:34:10,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:34:10,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:34:10,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:34:10,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:34:10,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:34:10,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:34:10,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:34:10,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:34:10,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:34:10,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:34:10,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:34:10,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:34:10,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:34:10,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:34:10,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:34:10,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:34:10,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:34:10,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:34:10,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:34:10,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:34:10,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:34:10,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:34:10,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:34:10,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:34:10,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:34:10,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:34:10,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:34:10,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:34:10,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:34:10,296 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:34:10,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:34:10,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:34:10,298 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:34:10,299 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:34:10,299 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:34:10,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:34:10,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:34:10,300 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:34:10,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:34:10,301 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:34:10,301 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:34:10,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:34:10,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:34:10,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:34:10,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:34:10,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:34:10,302 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:34:10,303 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:34:10,303 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:34:10,303 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:34:10,303 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:34:10,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:34:10,304 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:34:10,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:34:10,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:34:10,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:34:10,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:34:10,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:34:10,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:34:10,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:34:10,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:34:10,306 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:34:10,306 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:34:10,306 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:34:10,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:34:10,307 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:34:10,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:34:10,307 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:34:10,307 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:34:10,308 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:34:10,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:34:10,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:34:10,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:34:10,639 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:34:10,639 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:34:10,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2023-08-30 12:34:11,809 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:34:12,055 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:34:12,056 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2023-08-30 12:34:12,071 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b78aa13a/0647316b06564c4da5dbf9606b5e7643/FLAG4193492f7 [2023-08-30 12:34:12,090 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b78aa13a/0647316b06564c4da5dbf9606b5e7643 [2023-08-30 12:34:12,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:34:12,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:34:12,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:34:12,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:34:12,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:34:12,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196351a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12, skipping insertion in model container [2023-08-30 12:34:12,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:34:12,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:34:12,385 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30440,30453] [2023-08-30 12:34:12,393 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30895,30908] [2023-08-30 12:34:12,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:34:12,410 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:34:12,458 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30440,30453] [2023-08-30 12:34:12,469 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30895,30908] [2023-08-30 12:34:12,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:34:12,530 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:34:12,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12 WrapperNode [2023-08-30 12:34:12,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:34:12,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:34:12,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:34:12,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:34:12,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,596 INFO L138 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 138 [2023-08-30 12:34:12,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:34:12,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:34:12,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:34:12,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:34:12,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,644 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:34:12,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:34:12,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:34:12,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:34:12,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12" (1/1) ... [2023-08-30 12:34:12,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:34:12,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:34:12,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 12:34:12,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 12:34:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-08-30 12:34:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:34:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 12:34:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 12:34:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 12:34:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 12:34:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:34:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:34:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:34:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-08-30 12:34:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:34:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:34:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 12:34:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-08-30 12:34:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:34:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:34:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:34:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:34:12,732 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 12:34:12,852 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:34:12,854 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:34:13,211 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:34:13,218 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:34:13,219 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:34:13,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:34:13 BoogieIcfgContainer [2023-08-30 12:34:13,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:34:13,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:34:13,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:34:13,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:34:13,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:34:12" (1/3) ... [2023-08-30 12:34:13,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8b5a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:34:13, skipping insertion in model container [2023-08-30 12:34:13,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:34:12" (2/3) ... [2023-08-30 12:34:13,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8b5a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:34:13, skipping insertion in model container [2023-08-30 12:34:13,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:34:13" (3/3) ... [2023-08-30 12:34:13,231 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2023-08-30 12:34:13,237 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:34:13,265 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:34:13,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 12:34:13,265 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:34:13,341 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:34:13,351 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 12:34:13,356 INFO L158 Benchmark]: Toolchain (without parser) took 1261.71ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 53.9MB in the end (delta: 8.1MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-08-30 12:34:13,356 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:34:13,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.19ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-08-30 12:34:13,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.43ms. Allocated memory is still 86.0MB. Free memory was 59.6MB in the beginning and 57.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:34:13,359 INFO L158 Benchmark]: Boogie Preprocessor took 66.26ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 55.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:34:13,359 INFO L158 Benchmark]: RCFGBuilder took 557.59ms. Allocated memory is still 86.0MB. Free memory was 55.0MB in the beginning and 35.4MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 12:34:13,360 INFO L158 Benchmark]: TraceAbstraction took 131.47ms. Allocated memory is still 86.0MB. Free memory was 34.5MB in the beginning and 53.9MB in the end (delta: -19.4MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-08-30 12:34:13,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.19ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.43ms. Allocated memory is still 86.0MB. Free memory was 59.6MB in the beginning and 57.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.26ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 55.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.59ms. Allocated memory is still 86.0MB. Free memory was 55.0MB in the beginning and 35.4MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 131.47ms. Allocated memory is still 86.0MB. Free memory was 34.5MB in the beginning and 53.9MB in the end (delta: -19.4MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:34:13,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE